#zzsc{
    position: fixed;
    top: 300px;
    left: 20px;
    width:220px;
    height: 200px;
    z-index: -1;
}
#canvas{
    width: 350px;
    z-index: -1;
}
#code{
    width: 60%;
}
.form-group{
    position: relative;
}
.form-group img{
    position: absolute;
    top: 4px;
    right: 2px;
}